Two decades of experimental insights into cigarette smoke- and extract-induced emphysema: a bibliographic review (2000–2025). - Sekar, Sneha; Mathialagan, Shanthi; Vinayachandran, Divya; Chakkarai, Ganesh; Radhakrishnan, Srishta; K, Vigneshwaran (Egyptian Journal of Bronchology, 2026)